Canadian Hardwood Plywood Grades

Plywood is a necessity in many diy and construction projects but not every type of plywood works for every project.

Canadian hardwood plywood grades.

Canadian softwood lumber imported into the u. The chpva is the national association representing the canadian hardwood plywood and veneer industry in all technical regulatory quality assurance and product acceptance. This guide will explain the different uses of plywood as well as popular plywood sheet sizes and its rating and grade system so that you can choose the best plywood for your project. In the united states there are four basic softwood construction plywood veneer grades you need to worry about.

Plywood is a widely recognized engineered wood based panel product that has been used in canadian construction projects for decades. Its members manufacture rotary sliced and jointed hardwood veneer as well as decorative panels used in manufacturing furniture panelling cabinetry doors shelving. Plywood grades douglas fir plywood dfp and canadian sowood plywood csp are the most common types of plywood used in construcon applicaons throughout canada wher eas poplar plywood is less common. Find more information about hpva standards.

From the tree to works of art. Occasionally you may run into a fifth grade called c plugged each sheet will have two grades such as ac. 703 435 2900 fax. The first letter is the face veneer grade and the second is for the back veneer.

The many types of plywood can differ in materials number of layers rating and grade. Dfp is produced to the manufacturing standard csa o121 douglas fir plywood where front and back faces are douglas fir. The hardwood plywood and veneer association of america have created a set of rules called the voluntary standard for hardwood and decorative panels commonly known as grading codes which define allowable ranges of appearances and behavior for different species of hardwood plywood. Is graded by inspection agencies in canada that also adhere to the american softwood lumber standard.

Plywood panels manufactured for structural applications are built up from multiple layers or plys of softwood veneer that are glued together so that the grain direction of each layer of veneer is perpendicular to that of the adjacent layers. For purposes of grading softwood lumber may be categorized into two categories of intended use. A guide to understanding the hardwood plywood standard. 42777 trade west dr sterling va 20166 phone.

The full text of the guide s introduction written by ang schramm director of technical services appears below.